Price Per Unit Calculator Using HTML, CSS and JavaScript with Source Code
Welcome to the Price Per Unit Calculator β your smart shopping companion! This intuitive web app helps you compare product prices effortlessly by calculating the cost per unit (like per gram, liter, or each). Whether you're grocery shopping, buying in bulk, or comparing different package sizes, this tool ensures you always get the best value for your money. With a clean, modern design and instant results, you'll never overpay again!
Built with HTML, CSS, and JavaScript, this calculator goes beyond basic math by letting you compare multiple products visually and even save your calculation history. Just enter the price, quantity, and unit type, and instantly see which option gives you the most bang for your buck. Say goodbye to guesswork and hello to smarter shopping decisions! ππ‘
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Key Features:
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Price Per Unit Calculation β Instantly computes cost per unit (e.g., $/kg, $/L) for accurate comparisons.
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Multiple Unit Types β Supports various units (grams, kilograms, milliliters, liters, ounces, pounds, fluid ounces, and "each").
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Product Comparison β Add multiple products to compare their value side-by-side with a visual bar chart.
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Best Value Identification β Automatically highlights the most cost-effective option.
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Savings Calculation β Shows potential savings compared to the worst-value product.
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Calculation History β Stores past calculations in local storage for quick reference.
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Responsive Design β Works on desktops, tablets, and mobile devices.
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Modern UI β Clean, intuitive interface with Font Awesome icons and smooth animations.
Technologies Used:
HTML5 β Structure of the web application.
CSS3 β Styling with modern design elements (flexbox, grid, transitions, shadows).
JavaScript β Dynamic calculations, comparison logic, and local storage management.
Font Awesome β Icons for better visual cues.
Local Storage β Saves calculation history between sessions.
How to Use:
Basic Calculation
Enter the product name (optional).
Input the price and quantity.
Select the unit type (e.g., grams, liters).
Click "Calculate" to see the price per unit.
Compare Multiple Products
After calculating, click "Add to List" to store the product.
Switch to the "Comparison" tab to see a visual comparison.
The best-value product is highlighted in green.
View History
Navigate to the "History" tab to see past calculations.
Delete individual entries or clear all history if needed.
Sample Screenshots of the Project
Landing Page

Sample Calculation

History

How to Run?
- Download the provided source code zip file.
- Extract the downloaded zip file.
- Open the html file and you are now ready to go!
Video Demonstration for Installation/Setup:
Conclusion:
In conclusion, the Price Per Unit Calculator is an essential tool for savvy shoppers and budget-conscious consumers, transforming complex price comparisons into simple, visual insights. By instantly calculating cost-per-unit metrics and highlighting the best-value options, this intuitive web app eliminates guesswork and helps you maximize savings with every purchase. Its clean design, multi-product comparison feature, and persistent history make it your perfect shopping companionβbecause smarter buying decisions should always be just one click away!
That's it! I hope this "Price Per Unit Calculator Using HTML, CSS and JavaScript" will assist you on your programming journey, providing value to your current and upcoming projects.
For additional tutorials and free source codes, explore our website.
Enjoy Coding :>>
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